Some perspectives by @clauswilke:
Slides on redundant coding.https://t.co/miqrLROikZ#rstats #dataviz pic.twitter.com/m1H34F2Zuk
— Claus Wilke (@ClausWilke) April 14, 2021
He is right. Legends can be confusing and are prone to errors, when possible, put the data label immediately next to the line.
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